cable temp factor for 70/90 degrees cable

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Discuss cable temp factor for 70/90 degrees cable in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

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bullybully45

Hi,
I'm in the process of trying to do a "monkey sheet" to enable my apprentices's to make correct cable size calculations. I'm happy about the use of the 1.2 factor used for 70 degree rated cable but I havent come across the 1.28 factor for 90 degree cable before. I would be most grateful if anyone can give me iformation on this and where I can look it up and read about it.

Cheers
 

Reply to cable temp factor for 70/90 degrees cable in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

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